antecedence 发表于 2025-3-27 00:55:48
Julia Heinzelbeckers phases. The generated vapor must be vented to control the tank pressure. A system is necessary, therefore, to extract this vapor and two methods to accomplish this have been proposed: (1) Centrifugal separation of a two-phase mixture extracted from an arbitrary position within the vessel, and (2)词汇表 发表于 2025-3-27 02:46:10
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D. Pfister,A. Heidenreichg present-day operational propellants with a high-energy combination. Development of fluorine propulsion systems has, however, been approached cautiously because of concern expressed in view of its extreme reactivity and toxicity.jungle 发表于 2025-3-27 11:16:28
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Axel Heidenreich,David Pfistertional Cryogenic Materials Conference. Walter F. Stewart, of Los Alamos National Laboratory, was conference chairman. Albuquerque is near Los Alamos National Laboratory which has been a significant contributor to the cryogenics community since the early days of the Manhattan Project. Albuquerque iseardrum 发表于 2025-3-27 18:36:08
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Francesco Soria,David D’andrea,Kilian Gust,Shahrokh F. Shariatof the tensile strength and modulus is beneficial. Foam properties are dependent on density, the method of forming (mold or extrusion), and, very probably, on the conditions of forming [.]. Such condition variables for foam formed by a molding process include pressure, temperature, and mold atmospheInsufficient 发表于 2025-3-28 04:00:22
Tobias Grimm,Jan-Friedrich Jokisch,Alexander Karlth the International Cryogenic Materials Conference. John Barclay, of the University of Victoria, and David Smathers, of Cabot Performance Materials, were conference chairmen. Portland is the home of Northwest Natural Gas, a pioneer in the use of liquid natural gas, and Portland State University, wh幻想 发表于 2025-3-28 06:55:52
Stefania Zamboni,Marco Moschini,Atiqullah Azizsion durations of more than a day. This design must satisfy the requirements peculiar to the mission and perform satisfactorily when subjected to the often contradictory demands of ground hold, ascent, and space environments.显示 发表于 2025-3-28 12:26:39
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